Investors get antsy after failure of Google Glass

Sergey Brin, CEO and co-founder of Google, wears Google Glass during a demonstration in San Francisco in this June 2012 photo. Last month, after years of promotion, Google ended its test trial of the device.

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San Francisco

GOOGLE'S research arm, Google X, is called the company's Moonshot Factory. One reason the company picked the word "Moonshot" was to remind people to tackle big problems that may well blow up in their faces.